Update version (v3.1.1)

Author: dixon2004

setup.py

@@ -10,7 +10,7 @@
 
 setup(
     name="tf2-utilities",
-    version="3.1.0",
+    version="3.1.1",
     description="Get information about TF2 items, effects, skins and more",
     long_description=long_description,
     long_description_content_type="text/markdown",